netdev - Re: [PATCH net-next-2.6] ipfrag : frag_kfree

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Date:	Mon, 14 Jun 2010 16:20:12 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Shan Wei <shanwei@...fujitsu.com>
Cc:	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>,
	Patrick McHardy <kaber@...sh.net>,
	netfilter-devel@...r.kernel.org
Subject: Re: [PATCH net-next-2.6] ipfrag : frag_kfree_skb() cleanup

Le lundi 14 juin 2010 à 22:01 +0800, Shan Wei a écrit :
> Eric Dumazet wrote, at 06/14/2010 05:22 PM:
> > Third param (work) is unused, remove it.
> > 
> > Remove __inline__ and inline qualifiers.
> > 
> > Signed-off-by: Eric Dumazet <eric.dumazet@...il.com>
> 
> we also need to fix IPv6 netfilter.
> 

well, 'fix' is not appropriate, there is no bug ;)

> [PATCH 2/2] netfilter: defrag: kill unused work parameter of frag_kfree_skb()
> 
> The parameter (work) is unused, remove it.
> Reported from Eric Dumazet.
> 
> Signed-off-by: Shan Wei <shanwei@...fujitsu.com>

Acked-by: Eric Dumazet <eric.dumazet@...il.com>

> ---
>  net/ipv6/netfilter/nf_conntrack_reasm.c |    6 ++----
>  1 files changed, 2 insertions(+), 4 deletions(-)
> 
> diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
> index bc5b86d..9254008 100644
> --- a/net/ipv6/netfilter/nf_conntrack_reasm.c
> +++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
> @@ -114,10 +114,8 @@ static void nf_skb_free(struct sk_buff *skb)
>  }
>  
>  /* Memory Tracking Functions. */
> -static inline void frag_kfree_skb(struct sk_buff *skb, unsigned int *work)
> +static void frag_kfree_skb(struct sk_buff *skb)
>  {
> -	if (work)
> -		*work -= skb->truesize;
>  	atomic_sub(skb->truesize, &nf_init_frags.mem);
>  	nf_skb_free(skb);
>  	kfree_skb(skb);
> @@ -335,7 +333,7 @@ static int nf_ct_frag6_queue(struct nf_ct_frag6_queue *fq, struct sk_buff *skb,
>  				fq->q.fragments = next;
>  
>  			fq->q.meat -= free_it->len;
> -			frag_kfree_skb(free_it, NULL);
> +			frag_kfree_skb(free_it);
>  		}
>  	}
>  


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